The Julian Street Inn – Shelter for Homeless: Lacework concrete trusses with curved members shot in the air – Photographs of sketches depicting design process
1) Early idea of truss envelope with main arch & two half arches

Eighteen photographs of a sequence of sketches by Christopher Alexander on the shaping of the concrete truss in relation to its structural analysis; it starts with an early idea, then follow nine photographs of five alternatives, and the final eight ...